diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index f64e65a312..fe2f972102 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -35,6 +35,10 @@ Feature requests are great, but they usually end up lying around the issue
 tracker indefinitely. Sending a pull request is a much better way of getting a
 particular feature into OpenELEC.
 
+### BIG FAT WARNING for RPi users
+
+If you overclock your RPi (or overclocked it in the past), please don't report bugs.
+
 ### Reporting build failures
 
 As buildsystem / core packages (toolchain) / random libraries change from time to time, it is required